Kärcher SB MB Bedienungsanleitung Seite 11

Fault Possible cause
Frost protection is not Power supply to the device is interrupted. Switch on the power supply and ensure that it is available
working
The external thermostat has been installed
wrongly.
The external thermostat has been wrongly
set.
Spray pipe, hand- Sieve in the screw of the high-pressure
spray gun and high- pump with a colour marking is blocked.
pressure hose are
Filter inlay in the circulation system of the
frozen
anti-frost agent (or in the external collection
shaft in the filter casing of the circulation
pump) is blocked.
Heating coil in the warm water tank is
blocked or has heavy calcium deposits.
Emergency frost pro- Sleeve valve outlet or inlet is closed.
tection does not work
during power failure.
Faults in the circulation system of the anti-freezing agent
Remedy
throughout the frosting period.
Install the external thermostat at the place protected
against direct sunlight, warm walls and warm air currents.
Check correct setting ((+1 °C and +3 °C) and functioning.Operator
Open the screw, clean the sieve (74), check that the re-
strictor hole allows free passage.
Clean the filter inlay.
Check to see whether the heating coils moves freely; de-
calcify it if required. Connect the swimmer valve for frost
protection to soft water instead of hard water. Frequently
change the frost protection water in the container or the
collective shaft.
Turn on the sleeve valve (112).
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EN
of whom
Operator
Customer
Service
Operator
Operator
Operator/
Customer
Service
Operator
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